diff --git a/.gitignore b/.gitignore
index fad7909bd8..efb7dfe61e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,6 +68,7 @@ testament.db
 /csources
 /csources_v1
 /csources_v2
+/csources_v3
 
 /dist/
 # /lib/fusion # fusion is now unbundled; `git status` should reveal if it's there so users can act on it
diff --git a/config/build_config.txt b/config/build_config.txt
index 66390e6958..feb3f0f7dc 100644
--- a/config/build_config.txt
+++ b/config/build_config.txt
@@ -1,5 +1,5 @@
 nim_comment="key-value pairs for windows/posix bootstrapping build scripts"
-nim_csourcesDir=csources_v2
-nim_csourcesUrl=https://github.com/nim-lang/csources_v2.git
+nim_csourcesDir=csources_v3
+nim_csourcesUrl=https://github.com/nim-lang/csources_v3.git
 nim_csourcesBranch=master
-nim_csourcesHash=86742fb02c6606ab01a532a0085784effb2e753e
+nim_csourcesHash=eeab3ac46e93f10efda8e58c4db02b9438319d71
diff --git a/nim.nimble b/nim.nimble
index bf195b0faf..d188d03451 100644
--- a/nim.nimble
+++ b/nim.nimble
@@ -6,7 +6,7 @@ license = "MIT"
 
 bin = @["compiler/nim", "nimsuggest/nimsuggest"]
 skipFiles = @["azure-pipelines.yml" , "build_all.bat" , "build_all.sh" , "build_nimble.bat" , "build_nimble.sh" , "changelog.md" , "koch.nim.cfg" , "nimblemeta.json" , "readme.md" , "security.md" ]
-skipDirs = @["build" , "changelogs" , "ci" , "csources_v2" , "drnim" , "nimdoc", "testament"]
+skipDirs = @["build" , "changelogs" , "ci" , "csources_v3" , "drnim" , "nimdoc", "testament"]
 
 before install:
   when defined(windows):
diff --git a/readme.md b/readme.md
index 69899da71b..8aeec5c8e4 100644
--- a/readme.md
+++ b/readme.md
@@ -49,7 +49,7 @@ Compiling the Nim compiler is quite straightforward if you follow these steps:
 First, the C source of an older version of the Nim compiler is needed to
 bootstrap the latest version because the Nim compiler itself is written in the
 Nim programming language. Those C sources are available within the
-[``nim-lang/csources_v2``][csources-v2-repo] repository.
+[``nim-lang/csources_v3``][csources-v3-repo] repository.
 
 Next, to build from source you will need:
 
@@ -221,7 +221,7 @@ Copyright © 2006-2025 Andreas Rumpf, all rights reserved.
 [nimble-repo]: https://github.com/nim-lang/nimble
 [nimsuggest-repo]: https://github.com/nim-lang/nimsuggest
 [csources-repo-deprecated]: https://github.com/nim-lang/csources
-[csources-v2-repo]: https://github.com/nim-lang/csources_v2
+[csources-v3-repo]: https://github.com/nim-lang/csources_v3
 [badge-nim-irc]: https://img.shields.io/badge/chat-on_irc-blue.svg?style=flat-square
 [badge-nim-discord]: https://img.shields.io/discord/371759389889003530?color=blue&label=discord&logo=discord&logoColor=gold&style=flat-square
 [badge-nim-gitter]: https://img.shields.io/badge/chat-on_gitter-blue.svg?style=flat-square